JP7391897B2 - refrigerator - Google Patents

Description

Embodiments of the present invention relate to a refrigerator.

Conventionally, it has been proposed that the heat insulating member of a refrigerator be constructed from a vacuum heat insulating panel having excellent heat insulating effects.

Japanese Patent Application Publication No. 4-260780

Therefore, a refrigerator with good heat insulation effect is provided.

The refrigerator of the present embodiment includes: a heat insulating box body configured in a box shape with heat insulating walls and forming a storage chamber therein; a first heat insulating member made of a vacuum heat insulating member provided inside the heat insulating wall; a second heat insulating member provided inside the heat insulating wall and having a lower heat insulating performance than the first heat insulating member, the first heat insulating member being disposed inside the heat insulating wall; A corner portion is formed inside the heat insulating box, a member extending along the corner portion is provided at the corner portion, and the member extending along the corner portion has a cylindrical shape extending along the corner portion. The first heat insulating member is disposed such that its projected surface covers a portion of the member extending along the corner portion, and the first heat insulating member is disposed so as to cover a portion of the member extending along the corner portion; The fixture is divided in a direction extending along the corner part, and the fixture divided in the direction extending along the corner part has an opening that guides the member extending along the corner part to the storage chamber side. has a department.

A perspective view of a heat insulating box and fixtures constituting a refrigerator showing the first embodiment Perspective view of refrigerator Perspective view of the inside of the refrigerator seen from the right side Perspective view of the inside of the refrigerator seen from the left Vertical side view of the insulation box A cross-sectional plan view schematically showing the refrigerator compartment inside the heat-insulating box. Exploded perspective view of split insulation wall A cross-sectional plan view schematically showing the right side of the front side of the insulation box. A cross-sectional plan view schematically showing the left back corner of the insulation box. A perspective view showing how the fixing device installed at the back left corner of the insulation box is installed. A perspective view showing the state before the fixing device is attached to the left back corner of the insulation box. Perspective view of the fixture installed at the back left corner of the insulation box Front view of the fixture installed at the back left corner of the insulation box Exploded perspective view of the fixture installed at the back left corner of the insulation box. Cross-sectional view taken along line AA in Figure 13 Cross-sectional view along line BB in Figure 13 Cross-sectional view along line CC in Figure 13 Cross-sectional view taken along line DD in Figure 13 Cross-sectional view taken along line EE in Figure 13 Transverse plan view showing the installation state of the fixing device provided at the back left corner of the insulation box (Part 1) Transverse plan view (Part 2) showing the installation state of the fixture provided at the back left corner of the insulation box A cross-sectional plan view schematically showing the right back corner of the insulation box. A perspective view showing the installation state of the fixture provided at the right back corner of the insulation box. Perspective view showing the state before the fixture is attached to the right back corner of the insulation box Perspective view of the fixture installed at the right back corner of the insulation box Front view of the fixture installed at the right back corner of the insulation box Exploded perspective view of the fixture installed at the right back corner of the insulation box Cross-sectional view along line FF in Figure 26 Cross-sectional view along line GG in Figure 26 Cross-sectional view along line HH in Figure 26 Cross-sectional view taken along line II in FIG. 26 Vertical front view showing the vicinity of the right end of the second partition member Perspective view showing the fixture attached to the left-side split insulation wall A view corresponding to FIG. 9 showing the fixture of the second embodiment A view corresponding to FIG. 22 showing the heat insulating member of the third embodiment

A plurality of embodiments will be described with reference to the drawings. When indicating directions with reference to the drawings, for convenience, the door side of the refrigerator will be referred to as the "front side," and the right side when the refrigerator is viewed from the front will be referred to as the "right side."

(First embodiment)
The first embodiment will be described below with reference to FIGS. 1 to 33.
First, the refrigerator 11 shown in FIG. 2 includes the heat insulating box 12 shown in FIGS. 1 to 6 and a refrigeration cycle (not shown) for cooling the inside of the heat insulating box 12.
As shown in FIGS. 5 and 6, the heat insulating box body 12 includes an outer box 13, an inner box 14, and a heat insulating member 15 provided between the outer box 13 and the inner box 14. . The heat insulating box body 12 is configured in a box shape with an open front, and forms a storage space inside the inner box 14, for example, a storage room, a space where a duct is provided as necessary, and the like.

The outer box 13 is made of steel and has a box shape with an open front. As shown in FIGS. 1 and 3 to 6, the outer box 13 is constructed by combining walls made of a plurality of outer panels obtained by dividing the outer box 13 into a plurality of parts. Specifically, the outer box 13 includes a plate-shaped top wall 16, a flat bottom wall 17, a flat right wall 18, a flat left wall 19, and a flat back wall 20. It is configured. The top wall 16 has a stepped shape in the front-rear direction, the front part has a flat plate shape parallel to the bottom wall 17, and the rear part is located below the front part and has a flat plate shape parallel to the bottom wall 17. There is. The right wall 18 and the left wall 19 have symmetrical shapes. A machine room 21 is formed on the rear portion of the top wall 16, as shown in FIGS. 3 to 5. The machine room 21 is provided with a compressor (not shown) that constitutes the above-mentioned refrigeration cycle. As shown in FIG. 5, a separation section 211 is formed on the floor surface of the machine room 21. As shown in FIG. The spacing portion 211 is an opening formed by providing a gap between adjacent heat insulating members 15. In this embodiment, the insulation member 15 located on the top surface of the insulation box 12 and the insulation member 15 located on the back surface are spaced apart from each other, thereby forming a separation part 211. Further, a component housing chamber 212 is formed in the lower rear portion of the heat insulating box 12 to accommodate components used for refrigeration, freezing, control, etc., a condenser, and the like. Furthermore, a separating portion 213 is formed on the upper surface of the component storage chamber 212 . The spacing portion 213 is formed by arranging the heat insulating member 15 located on the bottom surface of the heat insulating box 12 and the heat insulating member 15 located on the back surface to be spaced apart from each other.

The inner box 14 is made of resin, has a box shape with an open front, and is provided inside the outer box 13. As shown in FIGS. 1 and 3 to 6, the inner box 14 is constructed by combining walls made of a plurality of inner plates obtained by dividing the inner box 14 into a plurality of parts. Specifically, the inner box 14 includes a plate-shaped top wall 22, a flat bottom wall 23, a flat right wall 24, a flat left wall 25, and a flat back wall 26. It is configured. Like the top wall 16 of the outer box 13, the top wall 22 of the inner box 14 also has a stepped shape in the front-rear direction, the front part is a flat plate parallel to the bottom wall 23, and the rear part is lower than the front part. It is located in the shape of a flat plate parallel to the bottom wall 23. The right wall 24 and the left wall 25 have symmetrical shapes.

As shown in FIGS. 1 and 11, each of the left wall 25 and the rear wall 26 of the inner box 14 has a support member 27 that protrudes from the outer surface of the inner box 14 toward the inner surface of the inner box 14, that is, toward the storage chamber. There are several. Note that a similar support member 27 is also provided on the right wall 24 of the inner box 14, as shown in FIG.

The support member 27 is, for example, a block made of resin, and as shown in FIGS. 20 and 21, the base end is adhesively fixed to the heat insulating member 15, and the other end, which is the tip, is attached to the inner box 14. For example, in FIGS. 20 and 21, the openings 28 are formed in the left wall 25 and the back wall 26. Further, supporting members 27 are provided in the vertical direction on the right wall 24 of the inner box 14 on the back wall 26 side, and on the right wall 24 side and the left wall 25 side on the back wall 26 of the inner box 14 in the vertical direction. A screw hole 271 is formed in the distal end side of the supporting members 27 that are arranged side by side. Although not shown, similar screw holes are also formed in the protruding tips of the support members 27 that are arranged in the vertical direction on the back wall 26 side of the right wall 24 of the inner box 14. . As shown in FIGS. 20 and 21, the support member 27 may have a flange 272 at its base end, and the flange 272 may be sandwiched between the heat insulating member 15 and the outer surface of the inner box 14. good. Since the support member 27 has the flange 272, it is possible to prevent the support member 27 from falling from the opening 28 toward the storage chamber. Further, the support member 27 may be formed integrally with the inner box 14 instead of being a separate member from the wall of the inner box 14.

As shown in FIGS. 5 and 6, the top wall 16 of the outer box 13, the top wall 22 of the inner box 14, the bottom wall 17 of the outer box 13, the bottom wall 23 of the inner box 14, and the right wall 18 of the outer box 13. The right wall 24 of the inner box 14, the left wall 19 of the outer box 13 and the left wall 25 of the inner box 14, and the back wall 20 of the outer box 13 and the back wall 26 of the inner box 14 face each other with a heat insulating member 15 in between. It is provided. In addition, in FIG. 6, the right wall 18 of the outer box 13 and the right wall 24 of the inner box 14 are opposite to each other, the left wall 19 of the outer box 13 is opposite to the left wall 25 of the inner box 14, and the outer box 13 is opposite to the right wall 24 of the inner box 14. A state in which the back wall 20 and the back wall 26 of the inner box 14 are opposed to each other is schematically shown.

The heat insulating member 15 is a material with excellent heat insulating performance, for example, a foam heat insulating material such as urethane, or a material having a lower thermal conductivity than soft tape. Specifically, it is a flat general vacuum heat insulating panel. , a core material, and an outer bag body that accommodates the core material. The core material is formed by housing a laminate of inorganic fibers such as glass wool in an inner bag (not shown) made of a synthetic resin film such as polyethylene, and then compressing and hardening it into a rectangular plate shape. It is something. The core material may be formed by other methods such as a paper making method or a heat compression method. The outer bag body is a bag having gas barrier properties, and is formed into a bag shape by laminating a suitable combination of, for example, a polyethylene terephthalate film, a high-density polyethylene film, an aluminum vapor-deposited film, an aluminum foil sheet, or the like. The heat insulating member 15 is constructed by reducing the pressure inside the outer bag while the core material is housed in the outer bag, and sealing the opening of the outer bag by heat welding or the like while maintaining the reduced pressure. There is.

The heat insulating member 15 has a flat plate shape, and one surface in the thickness direction is bonded to the outer surface of the inner box 14, and the other surface opposite to the one surface is bonded to the inner surface of the outer box 13. That is, the inside of the heat insulating box 12 is configured by the heat insulating member 15 being placed in contact with the outer plate and the inner plate. As an example, in FIG. 7, a heat insulating member 15 is provided sandwiched between a left wall 19 of the outer box 13 and a left wall 25 of the inner box 14, which is provided opposite the left wall 19 of the outer box 13. The following configuration is shown below. In this configuration, an adhesive 29 for bonding the heat insulating member 15 and the left wall 19 is provided between the heat insulating member 15 and the inner surface of the outer box 13, in this case the left wall 19. Further, an adhesive 30 for bonding the heat insulating member 15 and the left wall 25 is also provided between the heat insulating member 15 and the outer surface of the inner box 14, in this case the left wall 25. As the adhesives 29 and 30, liquid adhesive, double-sided tape, etc. are used. Note that the support member 27 described above is bonded to the heat insulating member 15 with this adhesive 30. Furthermore, the support member 27 may be configured to come into contact with the outer box 13 and the inner box 14 by engaging with the fixture 51.

In this way, the walls 16 to 20 of the outer box 13, the walls 22 to 26 of the inner box 14 provided opposite to the outer box 13, the walls 16 to 20 of the outer box 13, and the walls 22 of the inner box 14, By bonding the heat insulating member 15 provided between the outer box 13 and the outer box 13 with adhesives 29 and 30, one wall of the outer box 13 and one wall of the inner box 14 corresponding to the outer box 13 are bonded together. , and a heat insulating member 15 provided between these walls are integrated. This integrated structure is called a heat insulating wall, and in this embodiment, a divided heat insulating wall 31. Note that the heat insulating wall and the divided heat insulating wall 31 may also be referred to as a divided heat insulating panel. That is, the heat insulating box 12 is configured into a box shape by combining a plurality of divided heat insulating walls 31. Specifically, as shown in FIG. 1, the heat insulating box 12 includes a top divided heat insulating wall 311 that forms the top wall of the heat insulating box 12, and a floor wall 311 that forms the floor wall of the heat insulating box 12. The divided insulation wall 312, the right divided insulation wall 313 that constitutes the side wall that is the right wall of the insulation box 12, the left division insulation wall 314 that constitutes the side wall that is the left wall of the insulation box 12, and the insulation box. It is constructed by combining five rear divided heat insulating walls 315 that constitute the rear wall of the body 12. Further, the right side divided heat insulation wall 313 and the left side divided heat insulation wall 314 have a left-right symmetrical shape and are arranged to face each other.

Here, the front end portions of the right side divided heat insulation wall 313 and the left side divided heat insulation wall 314 that form the left and right walls of the heat insulation box 12 will be described with reference to FIGS. 3, 4, and 8. In addition, as mentioned above, since the divided heat insulation wall for the right side 313 and the divided heat insulation wall for the left side 314 are bilaterally symmetrical, the front end portion of the divided heat insulation wall for the right side 313 will be explained.

As shown in FIGS. 3 and 4, bent portions 32 are formed at the front end of the right wall 18 of the outer box 13 at two locations near the vertical center and the bottom of the front end of the right split heat insulating wall 313. has been done. Since the two bent portions 32 have the same configuration, the bent portion 32 provided at the vertical center of the front end portion of the right-side divided heat insulating wall 313 will be described.

As shown in FIG. 8, the bent portion 32 is bent leftward from the front end of the right wall 18, then bent rearward in front of the right wall 24 of the inner box 14, and further bent toward the heat insulating member 15. It has a curved shape. That is, the bent portion 32 is composed of two flat portions 321 extending in the left-right direction and a curved portion 322 bent at approximately 360 degrees, and has a U-shape when viewed from above. The two flat portions 321 are substantially opposed to each other and located in front of the heat insulating member 15. Further, the curved portion 322 is located in front of the right wall 24 of the inner box 14, and the end of the bent portion 32 is arranged so that the tip end surface of the flat portion 321 of the bent portion 32 is not located on the outer surface of the heat insulating box body 12. It is bent to the rear. Furthermore, an opening 33 is formed between the curved part 322 of the bent part 32 and the front end of the right wall 24 of the inner box 14, and between the bent part 32 and the front end of the heat insulating member 15, It has a configuration in which an end insertion chamber 34 is formed. That is, the opening 33 functions as an entrance to the end insertion chamber 34, and is formed by separating the front end of the right wall 24 of the inner box 14 and the bent portion 32 of the right wall 18 of the outer box 13. has been done. The end insertion chamber 34 is a space in which the bent portion 32 of the right wall 18 and the heat insulating member 15 are formed apart from each other. A partition plate 441 and a partition reinforcing plate 442 are housed in the end insertion chamber 34 . Furthermore, through holes 35 are formed in the two flat portions 321 to penetrate in the thickness direction. The opening 33, the end insertion chamber 34, and the through hole 35 will be described later.

As shown in FIGS. 3 and 4, the storage chamber inside the inner box 14 of the heat insulating box body 12 has a first partition member 37 provided at the center of the storage chamber; It is partitioned off by a second partition member 38 provided below. Thereby, inside the heat insulating box 12, the storage room is divided into a plurality of parts to form a plurality of rooms. Specifically, a refrigerating chamber 39 is surrounded by the inner box 14 and the first partition member 37. Further, a vegetable compartment 40 is formed by being surrounded by the inner box 14, the first partition member 37, and the second partition member 38. Furthermore, a space is formed in the lower part of the inner box 14 surrounded by the inner box 14 and the second partition member 38 . This space is configured to include an ice-making compartment 41, a first freezing compartment 42, and a second freezing compartment 43 arranged to the right of the ice-making compartment 41. As shown in FIG. 2, the front opening of the refrigerator compartment 39 is provided with a double-folding refrigerator compartment door 391, and the front opening of the vegetable compartment 40 is provided with a pull-out vegetable compartment door 401. Further, a pull-out ice-making compartment door 411 is provided at the front opening of the ice-making compartment 41, a pull-out first freezer door 421 is provided at the front opening of the first freezing compartment 42, and a second A pull-out second freezer compartment door 431 is provided at the front opening of the freezer compartment 43 .

Since the first partition member 37 has the same configuration as the second partition member 38, the first partition member 37 will be described with reference to FIG. 8. Furthermore, since the first partition member 37 has a symmetrical shape, the configuration on the right side will be described.

The first partition member 37 includes a front partition part 44 and a surface partition part 45.
The front partition part 44 is provided at the front opening of the storage chamber, and has a rectangular parallelepiped shape extending in the left-right direction of the storage chamber. The front partition section 44 includes a partition plate 441, a partition reinforcing plate 442, a partition cover 443, and a partition heat insulating member 444.

The partition plate 441 is made of metal and is a plate member that constitutes the front wall of the front partition part 44, and both left and right ends are bent slightly rearward. The right end of the partition plate 441 is disposed inside the end insertion chamber 34 through the opening 33 formed at the front end of the right-side divided heat insulating wall 313. Three through holes 445 are formed in the right end portion of the front partition portion 44 .

The partition reinforcing plate 442 is made of metal and is provided when the tensile strength of the partition plate 441 is low, and its vertical dimension is adjusted to be the same as or shorter than the vertical dimension of the partition plate 441, It is a plate member whose left and right dimensions are adjusted to be longer than the left and right dimensions of the partition plate 441, and whose plate thickness is adjusted to be equal to or greater than the partition plate 441, with both left and right ends bent slightly backward. There is. The partition reinforcing plate 442 is provided in contact with the back surface of the partition plate 441.

The right end of the partition plate 441 is disposed inside the end insertion chamber 34 through the opening 33 formed at the front end of the right-side divided heat insulating wall 313. Thereby, the right end portion of the partition plate 441 is sandwiched between the right end portion of the partition reinforcing plate 442 and the right wall 18 of the outer box 13, that is, the bent portion 32 of the right side divided heat insulating wall 313. In addition, both the left and right ends of the partition plate 441 and the partition reinforcing plate 442 are bent backwards, and these ends are inserted into the end insertion chamber 34, so the front surface of the bent portion 32 is 441 can be configured flush with the front surface.

The right end portion of the partition reinforcing plate 442 is located on the right side of the partition plate 441 and has an L-shaped cross section, and is bent rearward to correspond to the shape of the corner of the right front portion of the right wall 18 of the outer box 13. Furthermore, three screw holes 446 corresponding to the three through holes 445 of the partition plate 441 are formed at the right end of the partition reinforcing plate 442 . The screw hole 446 located at the farthest right end of the three locations is configured to have the shaft portion of the screw 46 inserted into the through hole 35 formed in the bent portion 32 of the right wall 18 of the outer box 13. ing. Further, the remaining two screw holes 446 of the partition reinforcing plate 442 are also provided with shaft portions of screws 47 that are passed through the through holes 445 of the partition plate 441. Thereby, the right end portion of the partition plate 441 and the right end portion of the partition reinforcing plate 442 are connected and fixed to the bent portion 32 of the right side divided heat insulating wall 313. As described above, although not shown, the left end of the partition plate 441 and the left end of the partition reinforcing plate 442 have the same structure as the right end, and the left wall 19 of the outer box 13, that is, the left side partition. It is configured to be connected and fixed to a not-illustrated bent portion of the heat insulating wall 314. That is, the partition plate 441 functions as a connecting member that connects and fixes the right-side divided heat insulation wall 313 and the left-side divided heat insulation wall 314 at the front opening of the storage room, and the bent portion 32 functions as a connected member. .

The partition cover 443 is made of metal, has a box shape with an open front, and together with the partition plate 441 forms the outer peripheral wall of the rectangular parallelepiped of the front partition part 44 . A partition heat insulating member 444 is provided in a rectangular parallelepiped space formed by the partition cover 443 and the partition plate 441. The partition cover 443 is supported by the support member 27. That is, the partition cover 443 has a mounting portion (not shown) at the bottom, and this mounting portion is fixed to the support member 27 with screws.

The partition heat insulating member 444 is made of a heat insulating member such as styrofoam or urethane, and is formed in the shape of a rectangular parallelepiped.
As shown in FIGS. 3 and 4, the surface partition part 45 is a rectangular plate member made of a resin having heat insulating properties, and is a resin plate that surrounds a plate-shaped heat insulating member such as a vacuum heat insulating panel. It is covered. The surface partition part 45 is placed on and held on the support member 27 of the inner box 14 , has a front end in contact with the back surface of the front partition part 44 , and has both left and right ends in contact with the right wall of the inner box 14 . 24 and the left wall 25. Note that the rear end portion of the surface partition portion 45 of the first partition member 37 is provided with a gap provided to the rear wall 26 of the inner box 14 . Thereby, the refrigerator compartment 39 and the vegetable compartment 40 are configured to communicate with each other. On the other hand, the rear end portion of the surface partition portion 45 of the second partition member 38 is provided in contact with the back wall 26 of the inner box 14 . As a result, the vegetable compartment 40 and the ice making compartment 41 are insulated by the second partition member 38, and the vegetable compartment 40 and the second freezer compartment 43 are also insulated by the second partition member 38. .

As shown in FIGS. 1 and 3 to 6, the divided heat insulating walls 31 are connected and fixed to other adjacent divided heat insulating walls 31 via fixtures 51. That is, in the inner box 14, the two walls 22 to 26 are divided into a plurality of parts, and these two walls are connected and fixed via the fixture 51 at a corner formed by one wall and another wall adjacent to each other. The structure is as follows.

The fixture 51 is located in the inner box 14 and has a corner portion formed by the top wall 22 and the right wall 24, a corner portion formed by the top wall 22 and the left wall 25, and a corner portion formed by the top wall 22 and the back wall 26. A corner portion formed by the bottom wall 23 and the right wall 24, a corner portion formed by the bottom wall 23 and the left wall 25, a corner portion formed by the bottom wall 23 and the back wall 26. It is set in. In other words, the fixture 51 is fixed at a position facing the two adjacent and spaced apart heat insulating members 15 .

Further, as shown in FIGS. 6 and 9, electric wires 52 are arranged at the rear corner of the inner box 14, for example, at the rear left corner formed by the left wall 25 and the rear wall 26. . The electric wire 52 is, for example, an electric wire that connects a control device (not shown) as a control means and a component such as a blower fan (not shown) that is driven in response to a signal from the control device, or an electric wire that connects the control device and various sensors. For example, it extends along the corner. The electric wire 52 is configured by bundling a plurality of electric wires. Note that the drawings show an electric wire 52 in which a plurality of electric wires are bundled to have a circular cross section.

Furthermore, a corner portion at the rear of the inner box 14 that is different from the corner portion where the electric wire 52 is provided, for example, a corner portion on the right back side formed by the left wall 25 and the rear wall 26, is As shown in FIG. 22, piping 53 is arranged. Specifically, the piping 53 is a suction pipe that connects an evaporator for refrigeration and a compressor (not shown), a suction pipe that connects an evaporator for refrigeration and a compressor, etc., and extends, for example, along the corner portion. . For example, two pipes 53 are provided, one for passing a refrigerant used for refrigeration and one for passing a refrigerant used for freezing.

Since the fixtures 51 provided at each corner of the inner box 14 have similar configurations, the fixtures 51 provided at the corner formed by the left wall 25 and the back wall 26 of the inner box 14 will be described below. The fixture 511 and the fixture 512 provided at the corner formed by the right wall 24 and the back wall 26 will be described. In addition, in the description of the fixture 512, description of parts common to the fixture 511 will be omitted. Further, the configurations of the above-mentioned electric wire 52 and piping 53 will also be explained.

First, the fixture 511 will be explained with reference to FIGS. 1 and 9 to 21.
As shown in FIG. 1, FIG. 9, and FIG. It has a shape that extends in the direction. FIG. 9 schematically shows the vicinity of the corner portion where the electric wire 52 is provided. FIG. 10 shows the corner portion after the fixture 511 is provided at the corner portion. Note that FIG. 11 shows the corner portion before the fixture 511 is provided at the corner portion.

As shown in FIGS. 12 to 14, the fixture 511 includes a fixing cover 54 and a reinforcing member 55 that form a cylindrical shape with a right triangular cross section, and a corner heat insulating member 56 that forms the inside of the cylindrical shape. There is.

The fixed cover 54 is a rectangular plate member made of resin and long in the vertical direction, and is arranged to cover the front side of the electric wire 52 provided at the corner portion. That is, the fixed cover 54 is arranged so that the electric wire 52 is not visible from the user side of the refrigerator 11. As shown in FIGS. 14 to 21, a through hole 58 is formed in the front surface of the fixed cover 54 for passing the shaft portion of the screw 57 therethrough. The through holes 58 of the fixed cover 54 are formed at a plurality of locations at both ends in the width direction perpendicular to the longitudinal direction. This through hole 58 is arranged vertically shifted from the through hole 58 located at the other end so that the through hole 58 at the other end is as far apart as possible. That is, the through holes 58 of the fixed cover 54 are arranged in a zigzag shape along the longitudinal direction of the fixed cover 54, as shown in FIG. 13, for example.

As shown in FIGS. 15, 17, 19, and 20, the axial direction of the through hole 58 of the fixed cover 54, which is located on the left side when viewed from the front, is such that the fixed cover 54 is This is the direction perpendicular to the left wall 25 of the inner box 14 when it is provided at the corner. In addition, the axial direction of the through hole 58 located on the right side when viewed from the front among the through holes 58 of the fixed cover 54 is such that the fixed cover 54 is This is a direction perpendicular to the rear wall 26 of the inner box 14 when the inner box 14 is provided at a corner portion of the inner box 14 .

As shown in FIGS. 1, 12, and 13, the fixed cover 54 is composed of two parts divided in length in the direction in which the corner portion where the fixing tool 511 is provided extends. This configuration makes it easier to handle the fixed cover 54 and makes it less likely to be deformed such as twisting. Hereinafter, the upper part of the fixed cover 54 will be referred to as an upper fixed cover 541, and the lower part will be referred to as a lower fixed cover 542. The upper fixed cover 541 is arranged at the corner of the refrigerator compartment 39 and the vegetable compartment 40 of the inner box 14, and the lower fixed cover 542 is arranged at the corner of the ice making compartment 41 and the first freezing compartment 42 of the inner box 14. It is. The portion of the fixed cover 54 where the upper fixed cover 541 and the lower fixed cover 542 are connected, in other words, the divided portion protrudes toward the rear left corner as shown in FIG. There is. Further, as shown in FIGS. 10 and 12 to 14, an opening 59 with an open end is formed in the longitudinal center of the upper fixed cover 541, and an opening 59 is formed in the longitudinal center of the lower fixed cover 542. Also, an opening 60 is formed which is open on the end side.

The reinforcing member 55 is for reinforcing the strength of the fixing cover 54 of the fixture 51, and is made of resin, and as shown in FIGS. The cover forming two sides, specifically a plate member having an L-shaped cross section forming right angle corners, has a longitudinal length adjusted to be the same as the length of the fixed cover 54 in the longitudinal direction. The reinforcing member 55 has an L-shaped cross section, with one side facing the left wall 25 of the inner box 14 , that is, the left side split insulation wall 314 , and the remaining side facing the back wall 26 of the inner box 14 . That is, it is arranged opposite to the rear divided heat insulating wall 315.

The right-angled portion of this reinforcing member 55 is arranged to correspond to the corner portion of the inner box 14. That is, the fixture 511 is placed at the corner of the inner box 14 so that the right-angled portion of the L-shaped cross section of the reinforcing member 55 is closest to the corner of the inner box 14 . The opening on the open side of the reinforcing member 55 having an L-shaped cross section is covered by the fixed cover 54. In other words, the reinforcing member 55 is arranged between the ends of the adjacent divided heat insulating walls 31, that is, across the separated parts of the adjacent divided heat insulating walls 31, and is placed in a place where the heat insulation effect between the divided heat insulating walls 31 is small. This is the arranged configuration.

A plurality of screw holes 61 and a plurality of through holes 62 are formed at both ends of the reinforcing member 55 in the width direction perpendicular to the longitudinal direction. The plurality of screw holes 61 and the plurality of through holes 62 are arranged in a zigzag pattern along the longitudinal direction of the reinforcing member 55, corresponding to the through holes 58 of the fixed cover 54.

The through hole 62 of the reinforcing member 55 is formed in a bulging portion 63 that bulges toward the fixed cover 54 side. That is, the bulging portions 63 are also arranged in a zigzag pattern along the longitudinal direction of the reinforcing member 55. The axial direction of the through hole 62 of the reinforcing member 55 is configured to match the axial direction of the through hole 58 of the fixed cover 54 when the fixed cover 54 is attached to the reinforcing member 55. The shaft portion of the screw 57 is configured to pass through the through hole 62 of the reinforcing member 55 .

As shown in FIGS. 14, 15, 16, and 19, the screw hole 61 of the reinforcing member 55 has a cylindrical shape that protrudes toward the fixed cover 54, and has a thread formed inside. The screw hole 61 of the reinforcing member 55 is configured to align with the axial direction of the through hole 58 of the fixed cover 54 and screw into the screw 57 when the fixed cover 54 is attached to the reinforcing member 55.

As shown in FIG. 14, this reinforcing member 55 is also composed of two parts divided in length in the direction in which the corner portion where the fixture 511 is provided extends. The division positions of the reinforcing member 55 are the same as the division positions of the fixed cover 54. Hereinafter, the upper part of the reinforcing member 55 will be referred to as an upper reinforcing member 551, and the lower part will be referred to as a lower reinforcing member 552. With this configuration, the upper reinforcing member 551 is also arranged at the corner of the refrigerator compartment 39 and the vegetable compartment 40, and the lower reinforcing member 552 is arranged at the corner of the ice making compartment 41 and the first freezing compartment 42 of the inner box 14. It is the composition.

For example, as shown in FIG. 9, the corner heat insulating member 56 is placed at a corner so as to be covered by the fixing cover 54 of the fixture 511. Specifically, as described above, the corner heat insulating member 56 is placed around the fixture 511. It has been set up. That is, the corner heat insulating member 56 is arranged so as to cover the spaced apart portion between the ends of the adjacent divided heat insulating walls 31. As shown in FIG. 14, the corner heat insulating member 56 is a triangular prism made of a heat insulating member such as styrene foam. A plurality of notches 64 are formed at both ends of the corner heat insulating member 56 in the width direction perpendicular to the longitudinal direction. The cutout portion 64 is formed in a zigzag shape along the longitudinal direction of the corner heat insulating member 56 so as not to interfere with the screws 57 provided in the through hole 58 of the fixed cover 54 and the screw holes 61 and 62 of the reinforcing member 55. It is located. This corner heat insulating member 56 is also composed of two parts divided in the length in the direction in which the corner portion where the fixture 511 is provided extends. The division position of the corner heat insulating member 56 is the same as the division position of the fixed cover 54. Hereinafter, the upper part of the corner heat insulating member 56 will be referred to as the upper corner heat insulating member 561, and the lower part will be referred to as the lower corner heat insulating member 562. In this case, the upper corner heat insulating member 561 is provided sandwiched between the upper fixed cover 541 and the upper reinforcing cover 551. Further, the lower corner heat insulating member 562 is provided sandwiched between the lower fixed cover 542 and the lower reinforcing cover 552. With this configuration, the upper corner heat insulating member 561 is also arranged at the corner of the refrigerator compartment 39 and the vegetable compartment 40, and the lower corner heat insulating member 562 is arranged at the corner of the ice making compartment 41 and the first freezer compartment 42 of the inner box 14. The configuration is arranged in

With the above configuration, the fixture 511 as a whole can be divided into two pieces in the direction extending along the corner portion. Note that the upper corner heat insulating member 561 is provided apart from the lower corner heat insulating member 562. That is, as shown in FIG. 15, in the divided portion of the fixed cover 54, the front surface of the divided portion of the fixture 511 is recessed toward the corner portion.

Further, an opening 65 whose end side is open corresponding to the opening 59 of the fixed cover 541 is formed in the longitudinal center of the upper corner heat insulating member 561, and an opening 65 is formed in the longitudinal center of the lower corner heat insulating member 562. An opening 66 corresponding to the opening 60 of the fixed cover 541 is also formed at the end thereof.

Further, a concave accommodating portion 67 extending in the longitudinal direction is formed at a right angle in a cross section perpendicular to the longitudinal direction of the corner heat insulating member 56, that is, at a portion close to the corner of the inner box 14. The above-mentioned electric wire 52 is accommodated in the accommodating portion 67 of this corner heat insulating member 56. That is, the fixture 511 has a cylindrical interior that accommodates the electric wire 52. The electric wire 52 housed in the housing part 67 is held by the inner peripheral surface of the housing part 67 as a holding part so as not to shift from a predetermined position, and also by a holding part such as a hook (not shown). It is also maintained. That is, the electric wire 52 and the fixture 511 have an integrated structure. A part of the electric wire 52 passes through the opening 65 of the corner heat insulating member 56 and comes out from the opening 59 of the upper fixed cover 541 to the storage room side, and the other part also passes through the opening of the corner heat insulating member 56. 66 and exits from the opening 60 of the lower fixing cover 592 to the storage room side, and another part exits to the outside from the upper end surface of the fixture 511 and leads to the machine room 21 through the separation part 211. It's dark. That is, the openings 59 and 60 of the fixture 511 are for guiding a part of the electric wire 52 housed inside the fixture 511 to the storage room side. Furthermore, a part of the electric wire 52 may be guided from the lower end surface of the fixture 511 to the partial storage chamber 212 through the separation part 213.

As shown in FIG. 13, the electric wire 52 has a connecting portion 68 at a portion extending from the openings 59, 60 of the fixed cover 54 toward the storage chamber. Further, the electric wire 52 also has a connecting portion 68 at the tip portion extending outward from the upper end surface of the fixture 511. These connecting portions 68 are made of resin and have a plug-like configuration that can be connected to connecting portions of other electric wires. Other wires are connected to components such as a control device or a blower fan.

Between the fixed cover 54 and the reinforcing member 55, specifically between the widthwise end of the fixed cover 54 and the widthwise end of the reinforcing member 55, as shown in FIG. 14 and FIGS. 16 to 19. A first seal member 71 is provided as shown in FIG. The first seal member 71 is a member that extends long along the longitudinal direction of the fixed cover 54 and the reinforcing member 55, and is made of, for example, soft tape. As a result, the space between the fixed cover 54 and the reinforcing member 55 is sealed by the first sealing member 71.

The reinforcing member 55 and the wall of the inner box 14 adjacent to the reinforcing member 55, specifically, between the reinforcing member 55 and the left wall 25, that is, the split insulation wall 314 for the left side, and between the reinforcing member 55 and the back wall 26, that is, for the back side. A second seal member 72 is provided between the divided heat insulating wall 315 and the second seal member 72, as shown in FIGS. 14 to 19. The second seal member 72 is a member that extends long along the longitudinal direction of the fixed cover 54 and the reinforcing member 55, and is made of, for example, soft tape. Thereby, a structure is created in which the space between the reinforcing member 55 and the divided heat insulating wall 31 adjacent to the reinforcing member 55 is sealed by the second sealing member 72.

As shown in FIG. 9, a third seal member 73 is provided at the end of the divided heat insulating wall 31, for example, at a portion where the left divided heat insulating wall 314 and the rear divided heat insulating wall 315 butt each other. There is. The third seal member 73 is a member extending parallel to the longitudinal direction of the fixed cover 54 and the reinforcing member 55, and is made of, for example, soft tape. Thereby, a configuration is created in which the space between the left-side divided heat insulation wall 314 and the back-side divided heat insulation wall 315 is sealed by the third seal member 73. Note that illustration of the third seal member is omitted in FIGS. 20 and 21.

As shown in FIGS. 14 to 19, the fixture 511 sandwiches the corner heat insulating member 56 between the fixed cover 54 and the reinforcing member 55, stores the electric wire 52 in the accommodating portion 67 of the corner heat insulating member 56, and then closes the fixed cover. 54 and the widthwise end of the reinforcing member 55 are combined. Then, with the fixed cover 54 aligned with the reinforcing member 55, the shaft portion of the screw 57 is passed through the through hole 58 of the fixed cover 54 and screwed into the screw hole 61 of the reinforcing member 55, thereby fixing the fixed cover. 54 is fixed to a reinforcing member 55. Furthermore, by fixing the fixed cover 54 to the reinforcing member 55, the corner heat insulating member 56 is also fixed inside the fixture 511, and the electric wire 52 is also fixed inside the fixture 511. There is. Therefore, the fixed cover 54, the reinforcing member 55, the corner heat insulating member 56, and the electric wire 52 are integrated.

Note that at the divided portion between the upper fixed cover 541 and the lower fixed cover 542, the fixed cover 54 is fixed to the reinforcing member 55 by a pair of screws 57, 57, as shown in FIG. The left part of the rear end of the second partition member 38 is placed in contact with the divided portion of the fixture 511.

Further, as shown in FIGS. 20 and 21, by passing the screws 57 through the through holes 58 of the fixed cover 54 and the through holes 62 of the reinforcing member 55 and screwing them into the screw holes of the support member 27 of the inner box 14, A fixture 511 is fixed to a corner of the inner box 14.

At this time, the space between the fixed cover 54 and the reinforcing member 55 is sealed by the first seal member 71, and the space between the fixture 51 and the divided heat insulating wall 31 adjacent to this fixture 51 is sealed by the second seal member 72. The third sealing member 73 forms a seal between the left divided heat insulating wall 314 and the rear divided heat insulating wall 315 .

Further, the left side divided heat insulation wall 314 and the back side divided heat insulation wall 315 are arranged to face the reinforcing member 55 with the second seal member 72 interposed therebetween. As a result, the adjacent left side divided insulation wall 314 and the rear side divided insulation wall 315 are connected and fixed by the fixture 511, and the adjacent divisions formed by the left side divided insulation wall 314 and the rear side divided insulation wall 315 are connected and fixed. The angle of the heat insulating walls 314, 315 is maintained at 90° corresponding to the right angle portion of the reinforcing member 55. That is, the reinforcing member 55 is arranged to face each of the left-side divided heat insulating wall 314 and the back-side divided heat insulating wall 315, and functions as an angle holding portion that maintains the angle of the adjacent wall, that is, the divided heat insulating wall 31 at 90°. are doing.

Next, the fixture 512 will be explained with reference to FIGS. 22 to 31.
As shown in FIGS. 22 and 23, the fixture 512 has a columnar shape with a right triangular cross section as a whole, and extends in the vertical direction along the corner formed by the right wall 24 and the back wall 26 of the inner box 14. It has a similar shape. FIG. 22 schematically shows the vicinity of the corner portion where the piping 53 is provided. FIG. 23 shows the configuration after the fixture 512 is provided at the corner portion. Note that FIG. 24 shows the configuration before the fixture 512 is provided at the corner portion.

As shown in FIGS. 25 to 27, the fixture 512 includes a fixing cover 81 and a reinforcing member 82 that form a cylindrical shape with a right triangular cross section, and a corner heat insulating member 83 that forms the inside of the cylindrical shape. .

The fixed cover 81 has substantially the same structure as the fixed cover 54, is a rectangular plate member that is elongated in the vertical direction, and is arranged to cover the front side of the pipe 53 provided at the corner portion. That is, the fixed cover 81 is arranged so that the piping 53 is not visible from the user side of the refrigerator 11. The fixed cover 81 is formed with a plurality of through holes 84 similar to the through holes 58 of the fixed cover 54 . Furthermore, as shown in FIG. 27, the fixed cover 81 is also composed of two parts divided in the length in the direction in which the corner portion where the fixing tool 512 is provided, the upper part of the fixed cover 81. It is composed of an upper fixed cover 811 which constitutes the upper fixed cover 811 and a lower fixed cover 812 which constitutes the lower part. The portion where the upper fixed cover 811 and the lower fixed cover 812 are connected, that is, the divided portion, is formed to protrude toward the corner portion on the back right side, as shown in FIG. Further, as shown in FIG. 27, the upper fixed cover 811 has a first protrusion 85 extending outward in the longitudinal center thereof, and an opening 86 is formed in the first protrusion. ing. Further, as shown in FIG. 23 and FIGS. 25 to 27, the lower fixed cover 812 also has a second protrusion 87 extending outward in the longitudinal center thereof, and this second protrusion 87 An opening 88 is formed therein.

The reinforcing member 82 has substantially the same configuration as the reinforcing member 55, and is a plate member having an L-shaped cross section and forming the remaining two sides of the isosceles triangular cross section of the fixture 512, as shown in FIG. The right-angled portion of this reinforcing member 82 is arranged to correspond to the corner portion of the inner box 14. The fixed cover 81 is provided so as to cover the opening on the open side of the reinforcing member 82 having an L-shaped cross section.

A plurality of screw holes 89 and a plurality of through holes 90 are formed at both ends of the reinforcing member 55 in the width direction perpendicular to the longitudinal direction. The screw hole 89 and the through hole 90 of the reinforcing member 82 also have the same configuration as the screw hole 61 and the through hole 62 of the reinforcing member 55. Further, this reinforcing member 82 is also composed of two parts divided in the length in the direction in which the corner portion where the fixture 512 is provided, and the upper reinforcing member constitutes the upper part of the reinforcing member 82. 821, and a lower reinforcing member 822 that constitutes the lower part. Further, the upper reinforcing member 821 has a first reinforcing protrusion 91 that protrudes and extends outward at the center portion of the upper reinforcing member 821 in the longitudinal direction, that is, at a position corresponding to the first protruding portion 85 . The first reinforcing protrusion 91 and the first protrusion 85 form a cylindrical shape. Furthermore, the lower reinforcing member 822 also has a second reinforcing protrusion 92 that protrudes and extends outward at the center portion of the lower reinforcing member 822 in the longitudinal direction, that is, at a position corresponding to the second protruding portion 87 . The second reinforcing protrusion 92 also forms a cylindrical shape together with the second protrusion 87.

The corner heat insulating member 83 has substantially the same configuration as the corner heat insulating member 56, and is disposed at the corner so as to be covered by the fixing cover 81 of the fixture 512. That is, the corner heat insulating members 83 are also arranged so as to cover the separated portions between the ends of the adjacent divided heat insulating walls 31. As shown in FIG. 27, the corner heat insulating member 83 is made of a heat insulating member such as styrene foam formed into a triangular prism, and has a plurality of notches 93 formed at both ends in the width direction. This notch 93 has the same configuration as the notch 64 of the corner heat insulating member 56. Further, this corner heat insulating member 83 is also composed of two parts divided in the length in the extending direction of the corner portion where the fixture 512 is provided, and constitutes the upper part of the corner heat insulating member 83. The upper corner heat insulating member 831 constitutes the lower part, and the lower corner heat insulating member 832 constitutes the lower part. In this case, the upper corner heat insulating member 831 is provided sandwiched between the upper fixed cover 8111 and the upper reinforcing cover 821. Further, the lower corner heat insulating member 832 is provided sandwiched between the lower fixed cover 812 and the lower reinforcing cover 822.

With the above configuration, the fixture 512 as a whole can be divided into two pieces in the direction extending along the corner portion. Note that the upper corner heat insulating member 831 is provided apart from the lower corner heat insulating member 832. That is, as shown in FIG. 28, in the divided portion of the fixed cover 81, the surface on the corner side of the fixed cover 81 is in contact with the reinforcing member 82, and the front surface of the divided portion of the fixture 51 is recessed toward the corner side. It is shaped like this.

In addition, as shown in FIG. 27, the upper corner heat insulating member 831 has a first portion extending outwardly at the center portion in the longitudinal direction of the upper corner heat insulating member 831, that is, at a position corresponding to the first protruding portion 85. It has a heat insulating protrusion 94, and an opening 95 is formed in this first heat insulating protrusion 94. The first heat-insulating protrusion 94 is configured to be housed in a cylindrical portion formed by the first reinforcing protrusion 91 and the first protrusion 85 . Furthermore, the lower corner heat insulating member 832 also has a second heat insulating protrusion 96 that protrudes and extends outward at the longitudinal center of the lower corner heat insulating member 832, that is, at a position corresponding to the second protrusion 87. However, an opening 97 is formed in this second heat insulating protrusion 96 . The second heat-insulating protrusion 96 is configured to be housed in a cylindrical portion formed by the second reinforcing protrusion 92 and the second protrusion 87 .

Further, a concave accommodating portion 98 extending in the longitudinal direction is formed at a right angle in a cross section of the corner heat insulating member 83 perpendicular to the longitudinal direction, that is, at a portion close to the corner of the inner box 14 . The above-mentioned pipe 53 is accommodated in the accommodation portion 98 of this corner heat insulating member 83. That is, the fixture 512 has a cylindrical interior that accommodates the pipe 53. The pipe 53 housed in the housing part 98 is held by the holding part, with the inner circumferential surface of the housing part 98 serving as a holding part, and is also held by a holding part such as a hook (not shown). That is, the piping 53 and the fixture 512 have an integrated structure. Note that a plurality of pipes 53 are housed in the housing portion 98 depending on the corner portion.

A portion of the piping 53 passes through the opening 95 of the corner heat insulating member 83 and exits from the opening 86 of the upper fixed cover 811 to the storage room side, and the other part passes through the opening 97 of the corner heat insulating member 83. It passes through the opening 88 of the lower fixing cover 812 and exits to the storage room side, and another part comes out from the upper end surface of the fixture 512 and is led to the machine room 21 through the separation part 211. ing. That is, the openings 86 and 88 of the fixture 512 are for guiding a part of the piping 53 housed inside the fixture 512 to the storage room side. Additionally, a portion of the piping 53 may be guided from the lower end surface of the fixture 512 to the partial storage chamber 212 through the separating portion 213.

As shown in FIG. 26, the piping 53 has a welded portion 99 at a portion extending from the openings 86, 88 of the fixed cover 81 to the storage chamber side. Further, the pipe 53 also has a welded portion 99 at the tip extending outward from the upper end surface of the fixture 512. These welded portions 99 are configured to be able to be welded to the welded portions of other pipes, for example, the diameter of the pipe 53 is larger than that of the other pipes. Other pipes are connected to a refrigeration evaporator, a freezing evaporator, and a compressor. In this embodiment, the piping 53 extending from the opening 86 of the upper fixed cover 811 to the storage chamber side is connected to the evaporator for refrigeration, and the piping 53 extending from the opening 88 of the lower fixed cover 812 to the storage chamber side is connected to the refrigeration evaporator. The welded portion 99 of the piping 53 and the welded portions of other piping are welded together so that the piping connected to the evaporator and extending outward from the upper end surface of the fixture 512 is connected to the compressor provided in the machine room 21. The configuration is as follows.

A first seal provided on the fixture 511 is provided between the fixed cover 81 and the reinforcing member 82, specifically between the widthwise end of the fixed cover 81 and the widthwise end of the reinforcing member 82. A first seal member 101 similar to member 71 is provided.

The reinforcing member 82 and the wall of the inner box 14 adjacent to the reinforcing member 82, specifically, the space between the reinforcing member 82 and the right side wall 24, that is, the right side divided heat insulation wall 313, the reinforcing member 82 and the back wall 26, that is, the back side divided A second seal member 102 similar to the second seal member 72 is provided between the heat insulating wall 315 and the second seal member 72, as shown in FIGS. 27 to 31.

Further, as shown in FIG. 22, a third sealing member 103 similar to the third sealing member 72 is provided at a portion where the right side divided heat insulation wall 313 and the rear side divided heat insulation wall 315 are butted against each other. It is being

As shown in FIGS. 26 to 31, the fixture 512 includes a corner heat insulating member 83 sandwiched between a fixed cover 81 and a reinforcing member 82, a pipe 53 accommodated in a housing portion 98 of the corner heat insulating member 83, and a fixed cover 81 and a reinforcing member 82 sandwiching the corner heat insulating member 83. The widthwise end of the reinforcing member 81 and the widthwise end of the reinforcing member 82 are combined. Then, with the fixed cover 81 aligned with the reinforcing member 82 in this way, the shaft portion of the screw 57 is passed through the through hole 84 of the fixed cover 81 and screwed into the screw hole 89 of the reinforcing member 82, thereby fixing the fixed cover. 81 is fixed to a reinforcing member 82. Furthermore, by fixing the fixed cover 81 to the reinforcing member 82, the corner heat insulating member 83 is also fixed inside the fixture 51, and the piping 53 is also fixed inside the fixture 512. There is. The right portion of the rear end of the second partition member 38 is also placed in contact with the divided portion of the upper fixed cover 811 and the lower fixed cover 812, so as to cover this divided portion.

Note that at the divided portion between the upper fixed cover 811 and the lower fixed cover 812, the fixed cover 81 is fixed to the reinforcing member 82 by a pair of screws 57, 57, as shown in FIG. The right part of the rear end of the second partition member 38 is placed in contact with the divided portion of the fixture 512.

Further, as shown in FIG. 30, the shaft portion of a screw (not shown) is passed through the through hole 84 of the fixed cover 81 and the through hole 90 of the reinforcing member 82 and screwed into the screw hole of the support member (not shown) of the inner box 14. As a result, the fixture 512 is fixed to the corner portion of the inner box 14. Although not shown, the fixture 512 is also fixed to the support member of the rear wall 26 with a similar configuration.

At this time, the space between the fixed cover 81 and the reinforcing member 82 is sealed by the first seal member 101, and the space between the fixture 51 and the divided heat insulating wall 31 adjacent to this fixture 51 is sealed by the second seal member 102. The third sealing member 103 seals between the right-side divided heat insulating wall 313 and the back-side divided heat insulating wall 315.

Further, the reinforcing member 82 is arranged to face each of the right-side divided heat insulating wall 313 and the back-side divided heat insulating wall 315 with the second seal member 102 interposed therebetween. As a result, the adjacent right side divided insulation wall 313 and the rear side divided insulation wall 315 are connected and fixed by the fixture 512, and the adjacent walls formed by the right side divided insulation wall 313 and the rear side divided insulation wall 315 are connected and fixed. is maintained at 90° corresponding to the right angle portion of the reinforcing member 82. That is, the reinforcing member 82 also functions as an angle holding section that holds the angle between adjacent walls at 90 degrees.

Next, a part of the piping 53 led from the opening 88 of the fixing cover 81 of the fixture 512 to the storage chamber side will be described with reference to FIG. 32. As shown in FIG. 32, a partition heat insulating member 105 is provided inside the inner box 14 between the surface partition 45 of the second partition member 38 and the right wall 24 of the inner box 14. The partition portion heat insulating member 105 is a heat insulating member made of foamed polystyrene or the like, and has a block shape extending in the front-rear direction. A recess 106 is formed in the partition heat insulating member 105 and is open on the inner box 14 side. A portion of the piping 53 extending from the opening 88 of the fixture 512 to the storage chamber side is provided inside the recess 106. That is, a portion of the pipe 53 coming out from the opening 88 of the fixture 512 is provided along the front-rear direction of the edge of the second partition member 38.

The upper surface, front surface, and left side of this partition section heat insulating member 105 are covered by a member extending from the surface partition section 45 of the second partition member 38 .
Although not shown, the above-mentioned partition heat insulating member or the like is also provided inside the inner box 14 between the surface partition portion 45 of the second partition member 38 and the left wall 25 of the inner box 14, and the fixing device A part of the electric wire 52 coming out of the opening 60 of the second partition member 38 may be provided along the front-rear direction of the edge of the second partition member 38.

The procedure for assembling the heat insulating box 12 of the refrigerator according to the embodiment described above will be explained with reference to FIGS. 1 and 33.
First, the divided heat insulating wall 31 and fixture 51 shown in FIG. 1 are manufactured. Next, as shown in FIG. 33, a fixture 511 is attached to one of the two adjacent divided heat insulating walls 31, for example, the left divided heat insulating wall 314, with screws 57. Next, the rear divided heat insulating wall 315 is attached to the left side divided heat insulating wall 314 and the fixture 511 that are integrated. As a result, the adjacent divided heat insulating walls 31 are connected and fixed, and a corner portion on the right back side of the inner box 14 is formed. At this time, the angle between the adjacent walls formed by the left divided heat insulating wall 314 and the rear divided heat insulating wall 315 is maintained at 90° corresponding to the right angle portion of the reinforcing member 55. Other corner portions of the inner box 14 are also formed by connecting and fixing the split heat insulating wall 31 and the fixture 51. As a result, an inner box 14 in which the angle between adjacent divided heat insulation walls 31 is 90 degrees is formed, and a rectangular parallelepiped heat insulation box 12 is formed. In addition to adjusting the angle of the adjacent divided heat insulation walls 31 to 90 degrees, in this case, the angle of the adjacent divided heat insulation walls 31 is adjusted to approximately 90 degrees, and each corner of the heat insulation box 12 is adjusted to approximately 90 degrees. It is sufficient if it becomes .

Moreover, by providing the first partition member 37 and the second partition member 38 at predetermined positions when assembling the heat insulating box 12, the refrigerator compartment 39, the vegetable compartment 40, the ice making compartment 41, and the first freezing compartment 42 A second freezer compartment 43 is formed, and on the front opening side of the storage compartment, the right divided insulation wall 313 and the left divided insulation wall 314 are connected to the first partition member 37 and the second partition member 38. It is connected and fixed by.

According to the above configuration, the following effects are achieved.
By connecting and fixing two adjacent divided heat insulating walls 31 with fixtures 51, a heat insulating box 12 of the refrigerator 11 is formed. That is, the refrigerator 11 can be assembled by combining the divided heat insulating walls 31 and combining these divided heat insulating walls 31 with the fixtures 51. Therefore, according to this embodiment, the assembly work of the refrigerator 11 becomes easier than the conventional structure in which a heat insulating member is provided in advance in a three-dimensional inner box.

Since the reinforcing members 55 and 82 of the fixture 51 function as angle holding parts, the angle between the adjacent divided heat insulating walls 31 is held at 90°. Thereby, the inner box 14 can be formed into a rectangular parallelepiped. Moreover, since the corners of the inner box 14 are held at 90°, the divided heat insulation walls 31 can be easily assembled.

Since the fixture 51 is fixed at a position facing the two spaced apart heat insulating members 15, the heat insulating members 15 can be fixed with the fixture 51 as a reference. Therefore, it is possible to easily maintain the angle between adjacent divided heat insulating walls 31 at 90°.

On the front opening side of the storage room, the right divided insulation wall 313 and the left divided insulation wall 314 are connected and fixed by the first partition member 37 and the second partition member 38, so that the right divided insulation wall 313 and the front surface of the left divided heat insulating wall 314 are securely fixed. Thereby, the front opening of the inner box 14 can be prevented from opening in the left-right direction, and the inner box 14 can be prevented from being twisted, and the inner box 14 and the heat-insulating box body 12 can be kept in the shape of a rectangular parallelepiped.

Since the electric wires 52 and piping 53 provided at the corners of the inner box 14 are covered by the fixture 51, it is possible to prevent food from coming into contact with the electric wires 52 and piping 53, and to prevent food from hitting the electric wires 52 and piping 53. The piping 53 can be hidden from the user of the refrigerator 11, and the interior design of the storage room can be improved.

Since the corner heat insulating members 56 and 83 are provided at the corner portions of the inner box 14, the heat insulating effect at the corner portions can be enhanced. Further, since the corner heat insulating members 56 and 83 are covered by the fixture 51, the interior design of the storage room can be improved as described above.

Since the corner heat insulating members 56 and 83 are arranged so as to cover the separated parts of the adjacent divided heat insulating walls 31, the heat insulating effect of the part where the heat insulating effect of the divided heat insulating walls 31 is small can be supplemented. Thereby, the heat insulation effect of the whole heat insulation box 12 can be improved.

The fixture 51 has a cylindrical shape, and the electric wire 52, the piping 53, and the corner heat insulating members 56, 83 are housed inside the fixture 51. 83 can be reliably made difficult to see from the user of the refrigerator 11, and the interior design of the storage room can be further improved.

Since the fixture 51 has the reinforcing members 55 and 82 having an L-shaped cross section, deformation of the fixture 51, particularly twisting and bending, can be prevented as much as possible. Further, since the fixing covers 54, 81 are provided on the front surfaces of the reinforcing members 55, 82, that is, the openings having an L-shaped cross section, the fixing tool 51 can be formed into a cylindrical shape.

Since the electric wire 52 and the piping 53 are held by the accommodating portions 67 and 98 of the corner heat insulating members 56 and 83, it is possible to prevent the electric wire 52 and the piping 53 from shifting from their predetermined positions.

Openings 59 and 60 are formed in the fixture 51 to guide the electric wire 52 provided at the corner of the inner box 14 to the storage chamber side. Thereby, the electric wire 52 led from the openings 59 and 60 to the storage room side can be connected to the electric wire on the outside of the fixture 51, that is, on the storage room side. In particular, since the electric wire 52 has a connection part 68 for connecting to other electric wires at the part where it exits from the openings 59 and 60 of the fixture 51, the electric wire 52 and other electric wires can be connected to each other on the outside of the fixture 51. can be easily done.

In addition, openings 86 and 88 are formed in the fixture 51, and the pipe 83 provided at the corner of the inner box 14 is guided to the storage chamber side. Thereby, the pipe 83 led from the openings 86 and 88 to the storage room side can be connected to the pipe on the storage room side. In particular, since the piping 53 has a welded part 99 that welds to other piping at the part that exits from the openings 86 and 88 of the fixture 51, the piping 53 and other piping are welded together on the outside of the fixture 51. can be easily done.

Since the fixture 51 and the electric wire 52 are integrated, and the fixture 51 and the piping 53 are also integrated, when the divided heat insulation wall 31 is connected and fixed with the fixture 51, the electric wire 52 and the piping 53 can also be provided at a predetermined corner portion of the divided heat insulating wall 31. Thereby, the assembly work of the electric wire 52 and the piping 53 can be simplified.

An electric wire 52 is provided at the rear left corner of the inner box 14, and a pipe 53 is provided at the rear right corner of the inner box 14. The electric wire 52 is covered with a fixture 511, and the pipe 53 is fixed. Since the electric wire 52 is covered with the fixture 512, it is possible to prevent the electric wire 52 from being cooled by the pipe 53.

Since a portion of the pipe 53 is arranged along the edge of the second partition member 38, the pipe 53 can be made longer without increasing the size of the fixture 51. Thereby, when the piping 53 is a suction pipe, the heat exchange efficiency of the piping 53 can be improved while ensuring sufficient storage space in the storage room.

Since the first seal members 71 and 101 are provided between the fixed cover 54 and the reinforcing member 55 and between the fixed cover 81 and the reinforcing member 82, cold air will flow into the inside of the fixture 51. This can be prevented. This can prevent dew condensation from forming on parts inside the fixture 51, such as the electric wires 52.

Since the second sealing members 72 and 102 are provided between the divided insulation wall 31 and the fixture 51, it is possible to prevent the cold air in the storage room from leaking to the outside of the insulation box 12, and to prevent the cold air from leaking to the outside of the insulation box 12. 12 can be prevented from entering the storage room.

Since the third sealing member 73, 103 is provided between the right side divided heat insulation wall 313 and the rear side divided heat insulation wall 315, and between the left side divided heat insulation wall 314 and the rear side divided heat insulation wall 315, The inside and outside of the heat insulating box 12 can be sufficiently insulated, and the inside of the heat insulating box 12 can be efficiently cooled.

Since the fixture 51 is divided into a plurality of parts in the direction extending along the corner portion, handling of the fixture 51 is facilitated. Furthermore, since the second partition member 38 is disposed at the divided portion of the fixture 51, it is possible to prevent cold air in the storage chamber from entering the inside of the fixture 51 from the divided portion of the second partition member 38. can.

The divided insulation wall 31 is composed of walls 16 to 20 made of outer panels, walls 22 to 26 made of inner panels, and a vacuum insulation panel forming the insulation member 15, one side of the vacuum insulation panel is glued to the outer panel, and the vacuum insulation panel is Since the other surface of the heat insulating panel is bonded to the inner plate, the heat insulating effect of the vacuum heat insulating panel can be obtained, and the divided heat insulating wall 31 can be made thinner, so that the wall of the heat insulating box 12 can be made thinner. Further, according to the above configuration, the electric wires and piping that were conventionally provided between the outer box and the inner box can be provided at the corners where they are less likely to get in the way when food is stored.

An electric wire 52 or piping 53 comes out from the top and bottom of the fixture 51, a spacing portion 211 is placed directly above the electric wire 52 or piping 53, and a spacing portion 213 is placed directly below the electric wire 52 or piping 53. A machine room 21 is provided directly above the separation section 211, and a component storage chamber 212 is provided immediately below the separation section 213. Therefore, the electric wires 52 and piping 53 can be easily arranged at predetermined positions, and can be easily connected to other electric wires and piping.

(Second embodiment)
Next, a second embodiment will be described with reference to FIG. 34. Components having the same configuration as those in the first embodiment are given the same reference numerals, and explanations of the configurations will be omitted. In this embodiment, the left back corner of the inner box 14 will be described, but the invention can also be applied to other corners.

The fixture 111 of the second embodiment is a plate member that does not have a reinforcing member and has a substantially similar shape to the fixing cover 54 of the first embodiment, and has a shape that extends along the corner of the inner box 14. It is. In this embodiment, two adjacent divided heat insulating walls 31 are fixed to a fixture 111 with screws (not shown). That is, the two adjacent divided heat insulating walls 31 are connected and fixed by the fixture 111.

At both ends of the fixture 111 in the width direction, extending portions 112 and 113 are formed that extend to face the adjacent walls 22 to 26 of the inner box 14, specifically, the left wall 25 and the back wall 26. . That is, one extending portion 112 extends toward the front side of the heat insulating member 15 , and the other extending portion 113 extends toward the right side of the heat insulating box 12 . Here, the plane of the extension part 112 on the inner box 14 side extends perpendicularly to the plane of the extension part 113 on the inner box 14 side. Therefore, when the adjacent left side divided heat insulation wall 314 and the back side divided heat insulation wall 315 are connected and fixed by the fixture 111, the adjacent walls formed by the left side divided heat insulation wall 314 and the back side divided heat insulation wall 315 are connected and fixed. The angle becomes 90°. That is, the extending portions 112 and 113 function as angle holding portions.

A fourth sealing member 114 is provided between the extensions 112, 113 and adjacent walls 25, 26 of the inner box 14. The fourth seal member 114 is similar to the second seal members 72,112.

Further, a second corner heat insulating member 115 is provided in a triangular prism-shaped space formed by the corner portion of the inner box 14 and the fixture 111. That is, the fixture 111 is arranged to cover the corner heat insulating member 115. The second corner heat insulating member 115 is a heat insulating member such as styrofoam, and is formed into a triangular prism shape.

A concave accommodating portion 116 extending in the longitudinal direction is formed in a portion of the second corner heat insulating member 115 close to the corner side of the corner portion of the inner box 14 . The electric wire 52 is accommodated inside the accommodating portion 116 of the second corner heat insulating member 115 and is held by the accommodating portion 116 . That is, the accommodating part 116 also functions as a holding part that holds the electric wire 52.

According to the above configuration, two adjacent divided heat insulating walls 31 can be connected and fixed also by using the fixture 111 having a configuration that does not have a reinforcing member.
Since the extending portions 112 and 113 are provided on the fixture 111, the angle between adjacent walls of the inner box 14 is maintained at 90°. Thereby, the inner box 14 and the heat insulating box body 12 can be formed into a rectangular parallelepiped.

Since the fourth sealing member 114 is provided between the extensions 112 and 113 and the divided insulation wall 31, it is possible to prevent the cold air in the storage room from leaking to the outside of the insulation box 12, and also to prevent the cold air inside the storage room from leaking to the outside of the insulation box 12. Warm air outside the body 12 can be prevented from entering the storage chamber.
Since the electric wire 52 is housed in the housing part 116 of the second corner heat insulating member 115, it is possible to prevent the electric wire 52 from shifting from a predetermined position.

(Third embodiment)
Next, a third embodiment will be described with reference to FIG. 35. Components having the same configuration as those in the first embodiment are given the same reference numerals, and explanations of the configurations will be omitted. In addition, although this embodiment describes the corner portion on the right back side of the inner box 14, the present invention can also be applied to other corner portions.

In the third embodiment, as shown in FIG. 35, a heat insulating member 120 includes a first heat insulating member 121 and a second heat insulating member 122. The first heat insulating member 121 is a vacuum heat insulating panel, and is arranged to be adhered to the outer surface of the walls 22 to 26 of the inner box 14. The second heat insulating member 122 is a material having a higher thermal conductivity than the first heat insulating member 121, that is, a material having a lower heat insulating performance than the first heat insulating member 121, such as a soft tape or a foam insulation material, particularly urethane. . The second heat insulating member 122 is arranged in a space other than the first heat insulating member 121 in the space formed between the outer box 13 and the inner box 14, that is, the space in which the heat insulating member 120 is accommodated. In this embodiment, the second heat insulating member 122 is provided on the inner surface side of the walls 16 to 20 of the outer box 13 and on the outer surface side of the first heat insulating member 121, and at the corner portion of the heat insulating box 12, that is, It is also provided at a location corresponding to the third seal member 73 in the first embodiment. In this case, the first heat insulating member 121 occupies 50% or more, more preferably 80% or more of the total volume of the space in which the heat insulating member 120 is accommodated. Furthermore, the second heat insulating member 122 is set to have a smaller volume than the first heat insulating member 121 . Further, as shown in FIG. 35, if the thickness of the first heat insulating member 121 is _T1 , the thickness of the second heat insulating member 122 is _T2 , and the outer diameter of the pipe 53 is _T3 , then _T1 >T ₃ >T ₂ . The board thickness here refers to the thickness of the outer box 13 and the inner box 14 in the cross-sectional direction. In the case of foamed heat insulating materials, it is the thickness after solidification.

According to the above configuration, it is possible to obtain a refrigerator using both the first heat insulating member 121 and the second heat insulating member 122. In this case, since the first heat insulating member 121, which has a better heat insulating effect than the second heat insulating member 122, has a larger volume, the wall of the heat insulating box 12 can be made thinner, and sufficient storage space can be secured. can.

Furthermore, in a configuration in which the thickness of the heat insulating box 12 is desired to be reduced, the piping 53 may not be housed inside the heat insulating box 12. Therefore, in this embodiment, the storage space is saved by accommodating the piping 53 at the rear inside the storage room, in this case at the right corner of the inner box 14, and by increasing the volume of the first heat insulating member 121. This can be ensured sufficiently, and the heat insulation effect of the heat insulation box 12 can be improved.

In a configuration in which the plate thickness T ₂ of the second heat insulating member 122 is smaller than the outer diameter T ₃ of the pipe 53 and the pipe 53 cannot be housed inside the heat insulating box 12, the pipe 53 is housed in a storage space, for example, a storage room. However, by making the plate thickness T ₁ of the first heat insulating member 121 larger than the plate thickness T ₂ of the second heat insulating member 122, the heat insulating effect of the heat insulating box 12 can be improved.

By using a vacuum heat insulating panel as the first heat insulating member 121, good heat insulation properties can be obtained. Moreover, since the insulation effect is good even with a vacuum insulation panel having a small board thickness, the wall of the insulation box 12 can be made thin, and a sufficient storage space can be secured.

By using a foamed heat insulating material, in this case urethane, as the second heat insulating member 122, between the first heat insulating members 121, between the first heat insulating members 121 and the outer box 13, and between the first heat insulating members 121 and the outer case 13, The space between the inner box 14 and the inner box 14 can be filled. Thereby, the heat insulation effect of the whole heat insulation box 12 can be improved.
In addition, although the outer diameter of the piping 53 was explained above as _T3 , the outer diameter of the electric wire 52, ie, the bundle of a plurality of electric wires, may be set to _T3 at the back left corner of the inner box 14.

(Other embodiments)
Although a configuration has been described in which electric wires and piping are provided at the corners of the inner box, other components such as hoses may be provided at the corner portions, and these components may be covered with fixtures.
In the case of a corner portion where a partition member is not provided or the length of the corner portion is short, it is not necessary to divide the fixture into a plurality of parts.

In the fixing device of the first embodiment, the extending portion of the second embodiment is provided at both ends of the fixed cover in the width direction, and a sealing member is used instead of the second sealing member between the extending portion and the inner box. It may also be configured to seal with a fourth sealing member.
A portion of the piping or a portion of the electric wire may be arranged along the left-right direction of the edge of the second partition member. Further, a portion of the piping and a portion of the electric wire may be arranged along the front-rear direction or the left-right direction of the edge of the first partition member.

A vacuum insulation panel, urethane, foamed polystyrene, or the like may be used as the insulation member used in the surface partition, and these insulation members may be sandwiched between resin or metal plates from above and below.
The partition reinforcing plate may be omitted if the partition plate has sufficient strength.
In addition to the connection and fixation in the above embodiment, two adjacent divided heat insulating walls may be connected and fixed by screws or the like.

The procedure for assembling the heat insulating box described above is just one example, and for example, after attaching a fixture to the split heat insulating wall for the back side, the split heat insulating wall for the right side or the split heat insulating wall for the left side may be attached to this fixture.
As the sealing member, a silicone sealer or the like may be used instead of soft tape.
A second corner heat insulating member may be provided at the right rear corner of the inner box, and the pipe may be accommodated in the housing portion of the second corner heat insulating member.

Moreover, the refrigerator may have a mist emitting part that spouts mist into the interior of the storage room. This mist is generated by electrostatic atomization and preferably has a diameter of 1 to 1000 nm. In this case, by providing a fixture at a corner formed by two adjacent divided heat insulating walls, it is possible to suppress mist from being discharged to the outside of the refrigerator from between the two adjacent divided heat insulating walls.
The fixture may be integrally formed on one wall of the inner box.

The divided heat insulating wall may be L-shaped or U-shaped when viewed from the side or top. In other words, the fixture not only connects and fixes plate-shaped divided insulating walls to each other, but also connects and fixes non-plate-shaped divided insulating walls to each other, and plate-shaped divided insulating walls to non-plate-shaped divided insulating walls. You can also use it as

The heat insulating member of the divided heat insulating wall, ie, the vacuum heat insulating panel, may not be integrally provided on the wall of the inner box, or may be provided integrally on the wall of the outer box.
The heat insulating member of the divided heat insulating wall may be provided in contact with either one wall of the outer box or one wall of the inner box.

A box-shaped inner box is formed by connecting and fixing the walls formed by dividing the inner box into a plurality of parts using fixtures, and the inner box is attached to an integrated outer box and a heat insulating member to form a heat insulating box body. It may also be configured to form. In this case, the wall formed by dividing the inner box into a plurality of parts is not limited to a flat plate shape, and may be, for example, L-shaped when viewed from the top.

As described above, in the refrigerator of this embodiment, the heat insulating member is configured in a box shape by combining a plurality of heat insulating walls. Equipped with fixings to connect and secure the insulation walls. Therefore, the refrigerator can be assembled by combining the insulating walls and using the fixtures to assemble the refrigerator, making it easier to assemble the refrigerator than in the conventional structure in which the insulating member is provided in advance in the three-dimensional inner box. Become.

Although several embodiments of the invention have been described, these embodiments are presented by way of example and are not intended to limit the scope of the invention. These novel embodiments can be implemented in various other forms, and various omissions, substitutions, and changes can be made without departing from the gist of the invention. These embodiments and their modifications are included within the scope and gist of the invention, as well as within the scope of the invention described in the claims and its equivalents.

In the drawing, 11 is a refrigerator, 12 is a heat insulating box, 13 is an outer box, 14 is an inner box, 15, 120 are heat insulating members, 31, 311, 312, 313, 314, 315 are divided heat insulating walls (insulating walls), 37, 38 are partition members (connecting members), 51, 511, 512, 111 are fixtures, 52 are electric wires, 53 are piping, 54, 81 are fixed covers, 55, 82 are reinforcing members (angle holding parts), 56 , 83, 115 are corner heat insulating members, 59, 60, 86, 88 are openings, 67, 98, 116 are housing parts (holding parts), 68 are connecting parts, 72, 102, 114 are sealing members, 99 is a Welded parts 112 and 113 indicate extension parts (angle holding parts).

Claims (4)

an insulating box body configured in a box shape with insulating walls and forming a storage chamber inside;
a first heat insulating member provided inside the heat insulating wall and made of a vacuum heat insulating member;
a second heat insulating member provided inside the heat insulating wall and having a lower heat insulating performance than the first heat insulating member;
Equipped with
The first heat insulating member is disposed inside the heat insulating wall,
A corner portion is formed inside the heat insulating box,
A member extending along the corner portion is provided at the corner portion,
A member extending along the corner portion is fixed within a cylindrical fixture extending along the corner portion,
The first heat insulating member is disposed such that its projection surface covers a portion of the member extending along the corner portion of the member extending along the corner portion,
The fixing device is divided in a direction extending along the corner portion,
The refrigerator has an opening in the fixture that is separated in the direction extending along the corner portion, which guides the member extending along the corner portion to the storage chamber side. The refrigerator according to claim 1, wherein the first heat insulating member has a thickness greater than that of the second heat insulating member. The refrigerator according to claim 1 or 2, wherein the member extending along the corner portion is a bundle of a plurality of electric wires. The refrigerator according to any one of claims 1 to 3, wherein the member extending along the corner portion is guided toward the storage chamber and has a connecting portion for connecting to another electric wire.

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